The computer is powered on and the power is off, sometimes for two or three minutes, and it is cut o

If so, quickly find after-sales service to help you check it (if you change places and don't shut down, it is caused by the unstable voltage in the place where you live).

Generally, the automatic shutdown may be caused by the high temperature caused by too much dust in the CPU fan, if so, clean up the dust of the CPU fan and heat sink, and add new heat dissipation silicone grease. If it is not a problem, it may be caused by problems with motherboard parts or power supply, voltage instability, hard disk failure, etc., and the new hardware is not compatible.

When the computer is turned on, the progress bar is read, and it is usually turned on and off, and there is a sound of bumping, that is, there is a virus, you can.

This situation of automatic power off after power on is most likely due to a failure of the power supply or motherboard. The causes of the failure are varied, such as IC chips, capacitors burned out, problems with a certain circuit, etc., generally speaking, such a fault is not possible to repair the individual, it is recommended to send it for repair or replace the relevant accessories, it is recommended to try to replace the power supply first. In addition, the power supply quality problems of the mains (such as low voltage, abnormal fluctuations, etc.) may also cause this fault phenomenon of power failure when the power is turned on.

The power-off fault can also be caused by the following reasons: first, there is a problem with the power switch of the case, such as the failure of the return spring, and second, the CPU has been overclocked, or the CPU fan has a problem. Third, there are short-circuit faults in accessories such as optical drives and hard drives.

Summary. There are many reasons why your computer will lose power within a second or two of turning it on, and it could be a damaged motherboard, a loose memory module, and a malfunctioning power supply to your computer. If the computer motherboard is damaged, including the IC chip, capacitor burned, and the circuit has problems, the computer motherboard can be replaced in time, or sent to a professional maintenance network or contact professional maintenance personnel.

There are many reasons why a computer loses power after a second or two of turning it on, and it could be a damaged motherboard, a loose memory module, and a malfunctioning computer power supply. If the computer motherboard is damaged, including the IC chip, capacitor burned, and the circuit has chain problems, the computer motherboard can be replaced in time, or sent to a professional maintenance network or contact professional maintenance personnel.

Can you add, I don't quite understand it.

If the computer memory module is loose, you can pull out the computer memory module and insert it again. If it is a problem with the power supply of the computer, you should check the power supply cable or battery and other power supply equipment of the computer. In addition, during the use of the computer, it must be powered off in time, and the dust must be cleaned up in time, otherwise it is easy to have various failures.